AKSIOMA : Jurnal Pendidikan Matematika
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EKSPLORASI ETNOMATEMATIKA PADA ALAT MUSIK KELENTANGAN MAHANG KHAS BANYUASIN: Ethnomathematics Exploration of the Banyuasin Mahang Kelentangan Musical Instrument
Get PDFEthnomatematics is a science that studies mathematical concepts that exist in a particular culture. Culture in Indonesia is very diverse, one of which is traditional musical instruments. Kelentangan Mahang is a traditional musical instrument originating from Banyuasin Regency, South Sumatra Province. The purpose of this study is to explore mathematical concepts and provide an explanation of the length, volume and weight of the blade that affect the sound produced from the loudness of the mahang. The method used in this study is descriptive qualitative method of observation, interviews, and document studies. The results in this study show the ethnomathematics elements of mahang malleability and multiple regression equations as well as the exponential equation of length, diameter, and blade volume data with the frequency obtained. The following equation is generated:
The equations found can be used to help craftsmen make Kelentangan Mahang, especially in the sound produced from each of the wooden blades of the musical instrument
STEM-BASED FACILITATOR IN WEATHER OBSERVATION TO DETERMINE PRAYER TIME
Get PDFDetecting whether with tools based on science, technology, engineering, and mathematics (STEM) is one of the tools that can be used to determine prayer times for people who are in small (backward) villages. The objective of this study is to facilitate the people of Situpete village to determine prayer times through science, technology, engineering, and mathematics (STEM). This research method uses qualitative involving five people. The data and data sources used are in-depth interviews and observations. The results of the interview are analyzed with these techniques. The results of this study found that with assembly using PVC pipes, Coaxial cables type RG58, Terminal Blocks, PCB boards, Sound Cards, RPI, and LCD the community became educated in determining the time of prayer through STEM-based weather detection tools. Not only that, but the community can also use the tool themselves to determine the time of prayer according to weather conditions in the Kampung Situpete environment. Educational themes felt by the community such as (1) the need for equipment, (2) accessibility, and (3) technological knowledge. Implication: the integration of STEM learning is very important to be carried out in schools to educate the public in meeting their daily needs. Teachers (academic circles) need to emphasize that STEM science is not only studied as a theory but is important to apply in real life. Future studies should use simpler tools at a lower cost and use more study participants
EKSPLORASI ETNOMATEMATIKA TERHADAP POLA GEOMETRI BANGUN DATAR PADA BAJU ADAT CELE MASYARAKAT MALUKU: Etnomathematics Exploration Of Flat Geometry Pattens In Cele Traditional Clothes Of The Maluku Community
Get PDFThe traditional cele clothes of the Maluku people have unique patterns and designs related to the concept of geometry. In the context of ethnomathematics it is used as a means of learning mathematics and providing an understanding of cultural values. The aim of this research is to find out the patterns and designs of traditional cele clothes in terms of the geometry concept and the cultural values contained therein. This study uses qualitative research with an ethnographic approach. The instruments in this study were interviews, observation and documentation. The results of this study are in the form of patterns used on traditional cele clothes inspired by flowers, leaves, animals, and geometry. The geometric patterns and designs on Cele traditional clothes use simple geometric concepts, namely lines, squares, circles, triangles, stars and polygons. The cultural meaning of the cele traditional dress depends on the traditions and beliefs in each region, the symbolism of the symmetrical shape symbolizes beauty. Regular square geometric shapes reflect harmony and balance. This traditional dress is used at weddings, funerals, religious ceremonies, and other important government events. It has a distinctive pattern with bright colors that reflect the joy and joy of the people of Maluku
ANALISIS KEBUTUHAN PENGEMBANGAN LEMBAR KERJA DIGITAL GEOMETRI ANALITIK DATAR: Need Analysis of Developing Analytical Geometry Digital Worksheet
Get PDFDigital visualization of mathematical concepts makes it difficult for students to learn and this results in a lack of understanding and participation of students. This study aims to analyze the needs of developing worksheets in flat analytical geometry courses for students of the mathematics education study program. The method used is qualitative research. On the worksheet there is an exploration of three-dimensional shapes on flat analytical geometry, practice questions created using the features available on GeoGebra. Data is collected through written tests and interviews with course lecturer students. The data is then analyzed descriptively quantitatively to determine student knowledge related to the material contained in GAD. From the results of the analysis, it was obtained that students had low scores on knowledge In addition, the results of interviews with lecturers who teach GAD courses also showed difficulty in conveying an understanding of 3D images. For this reason, digital worksheets that can help students to visualize the two- and three-dimensional builds in the GAD course are very necessary
PENGARUH SELF EFFICACY TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA PESERTA DIDIK SMP: The Influence Of Self Efficacy On The Mathematical Problem Solving Ability Of Junior High School Students
Get PDFThe purpose of this study was to determine the effect of self-efficacy on the math problem solving abilities of junior high school students. The method used in this research is quantitative with ex post facto design. The population in this study were all students of class VIII SMP Negeri 3 Palu. The sample studied was 174 students who were obtained using simple random sampling technique. The instruments in this study used a self-efficacy questionnaire and a math problem-solving ability test. The results of the study showed that there was an effect of self-efficacy on students' mathematical problem-solving skills at SMP Negeri 3 Palu. The influence of self-efficacy on the ability to solve mathematical problems is 27.2%
E-MODUL BERBASIS PROBLEM BASED LEARNING MENGGUNAKAN BOOK CREATOR PADA MATERI PERBANDINGAN: E-Module Based on Problem Learning Using Book Creator on Comparative Material
Get PDFThis research aims to produce e-module based on problem based learning use book creator on valid and practical comparative material. This research is development research with the ADDIE development model which consists of five stages those five stages is analysis, design, development, implementation, and evaluation. The subjects in this study were 7th grade junior high school students Negeri 4 Gunung Megang. Retrieval of research data by using a material validation sheet, validation media, and interviews as well as a practicality questionnaire. E-module validity data obtained from material validation and validation media with three validators. As for practicality data obtained from the distributed questionnaire to students. The results showed that the validity value of the e-module was 0.84 with a high validity category and the achievement of values for the practicality of e-module 85.13% with very practical category. It can be concluded that e-module based on problem learning using book creator on comparative material produced tested valid and practical
PENGEMBANGAN MEDIA VIDEO PEMBELAJARAN MATEMATIKA BERBASIS PROBLEM BASED LEARNING (PBL) PADA MATERI ALJABAR KELAS VII SMP: Development of Problem Based Learning (PBL) Mathematics Learning Video Media in 7th Grade Algebra Materials of Junior High School
Get PDFThis study aims to produce Problem Based Learning (PBL) learning video media on algebra material that is valid, practical, and has a potential effect on student learning outcomes. The type of research used is Research and Development (R&D). Tessmer's development research method focused on two stages, namely the preliminary stage and the prototyping stage using a formative evaluation flow consisting of self evaluation, expert review, one-to-one, small group, and field test stages. Data collection techniques used are validation sheets, questionnaires, interviews, and tests. The subjects in this study were students of SMPN 13 Palembang class VII.10. The research results from the validation of media, material, and technical quality aspects show that Problem Based Learning (PBL) video media for mathematics learning in algebra material is declared valid. In the one-to-one stage, students who were used as research subjects gave very good responses to the media used. At the small group stage with practical categories. The potential effect is based on the results of the student post test at the field test stage with a percentage of 87%. Based on the results of the study it can be concluded that the video media for mathematics learning based on Problem Based Learning (PBL) on algebra material is stated to be valid, practical, and has a potential effect on student learning outcome
KAITAN KEMAMPUAN PENALARAN FORMAL DAN PEMECAHAN MASALAH MATEMATIK SISWA SMA
Get PDFAnak yang berumur di atas 12 tahun sudah berada pada tingkat operasi formal. Sehingga siswa pada jenjang pendidikan SMA sudah berada pada tingkat kemampuan penalaran formal. Pengembangan kemampuan penalaran formal siswa erat kaitannya dengan pemecahan masalah matematik. Pemecahan masalah melibatkan beberapa kombinasi konsep dan keterampilan dalam suatu situasi baru atau situasi yang berbeda. Oleh karena itu, bila siswa terbiasa menyelesaikan masalah yang komplek maka dapat meningkatkan penalaran formalnya. Tujuan penelitian ini adalah mengetahui kaitan antara kemampuan penalaran formal dengan pemecahan masalah matematik siswa SMA. Penelitian ini dilaksanakan pada siswa kelas XII SMAN 6 Kendari, terdiri atas kelas IPA dan kelas IPS. Pengumpulan data penelitian ini terdiri atas data kemampuan penalaran formal, dan data kemampuan pemecahan masalah matematik. Data ini dianalisis secara deskriptif, yakni melihat persentase dan rata-rata dari setiap tahap baik tahap-tahap kemampuan penalaran formal maupun tahap-tahap pemecahan masalah matematik. Berdasarkan hasil penelitian, disimpulkan bahwa: Kemampuan penalaran formal siswa SMAN 6 Kendari umumnya sudah berada pada tahap penalaran proporsional, namun untuk kelas IPA sebagian sudah berada pada tahap penalaran kombinatorik. Kemampuan pemecahan masalah matematik siswa SMAN 6 Kendari umumnya masih rendah hanya mampu menyelesaikan permasalahan matematik yang sederhana. Ada kaitan antara kemampuan penalaran formal dengan pemecahan masalah matematik siswa
DESKRIPSI KEMAMPUAN MENYELESAIKAN MASALAH SPASIAL SISWA SMP BERDASARKAN GAYA KOGNITIF IMPULSIF DAN REFLEKTIF: Description of Spatial Problem Solving Ability of Junior High School Students Based on Impulsive and Reflective Cognitive Styles
Get PDFThe purpose of this study was to describe the spatial abilities of junior high school students based on impulsive and reflective cognitive styles. This research is a type of descriptive qualitative research. The instruments used in this study are: MFFT (Matching Familiar Figures Test) test to determine students' cognitive styles. Furthermore, 1 impulsive cognitive style subject and 1 reflective cognitive style subject were found. Then both subjects were given spatial ability tests to determine students' spatial abilities after which interviews were conducted. Indicators of spatial ability, namely: (1) state the position of the elements of a spatial construct., (2) construct and present geometric models drawn on a flat plane in the context of space., (3) imagine the shape or position of a geometric object viewed from a certain point of view., (4) investigate the actual size of the visual stimulus of a geometric object. The results showed that students who were cognitively impulsive had low spatial abilities because they were only able to meet 1 indicator of spatial ability, namely constructing and presenting geometric models drawn on a flat plane in the context of space. While students who are cognitively reflective have high spatial abilities because they are able to meet all indicators of spatial ability
PENINGKATAN KEMAMPUAN BERPIKIR KRITIS MAHASISWA CALON GURU MATEMATIKA MELALUI PEMBELAJARAN PROJECT-BASED LEARNING (PjBL) PADA MATERI STATISTIKA: Improvement of Prospective Mathematics Teachers' Critical Thinking Skills through Project-Based Learning (PjBL) on Statistics Materials
Get PDFTo equip prospective mathematics teacher students in solving problems faced both in class and outside the classroom, one of the abilities that need to be improved is critical thinking skills. Critical thinking skill is a high-order thinking skill (HOTS) that is important for students to master because it can place students in charge of reasonable situations or integrate new ideas with previous knowledge. This study aims to describe whether project-based learning (PjBL) in statistics material can improve the critical thinking skills of prospective mathematics teacher students. This research is a class action research with ten students from the class of 2021 as research subjects. The stages in this research are in the form of spiral cycles which include activities (1)planning, (2)implementing actions, (3)observation, and (4)reflection. The research instrument used was a critical thinking skill test and observation sheets for lecturer and student activities. The results of the study show that (1) the use of the PjBL learning model can improve the critical thinking skills of prospective mathematics teacher students class of 2021, as evidenced by the results of the critical thinking test with an increase in the percentage of students who scored a minimum of 76 (B) in the first cycle by 50% to 90 % in the second cycle and (2) the use of the PjBL learning model can increase student learning activity, indicated by an increase in the percentage of student activity from the first cycle of 78% to 85% in the second cycle